but in the wake of the shooting at sandy hook, the push is on to add more states to that list. arizona's attorney general wants every school principal or the principal's designee armed. in ohio, applications at one shooting course for teachers are up 20%. some gun advocates say arming teachers is a lot like arming airline pilots. simply knowing that someone on campus might be carrying a gun could be enough to stop the bad guys. in 1997, an armed high school vice principal in mississippi did manage to stop a 16-year-old shooter on a rampage. but there was also columbine. 15 people died and the armed security officer on campus and another one nearby could not stop it. >> the nra's blanket call to arm our schools is really nothing more than a distraction. >> reporter: some teachers in utah say they want more gun training. and organizers are already planning another class for the next holiday break. >> i can go up and over. >> reporter: cecilia vega, abc news, los angeles. >> cecilia, thank you. >>> and now, made in america tonight and a hopeful sign from ford. the automaker announ